From: Anton Vorontsov Date: Mon, 16 Mar 2009 21:14:00 +0000 (+0300) Subject: sdhci: Add quirk for controllers that need small delays for PIO X-Git-Tag: v2.6.30-rc1~209^2~5 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3e3bf20756aeee57a40fd37b923263c9a51b8c68;p=pandora-kernel.git sdhci: Add quirk for controllers that need small delays for PIO Small udelay is needed to make eSDHC work in PIO mode. Without the delay reading causes endless interrupt storm, and writing corrupts data. The first guess would be that we must wait for some bit in some register, but I didn't find any reliable bits that change before and after the delay. Signed-off-by: Anton Vorontsov Signed-off-by: Pierre Ossman --- Reading git-diff-tree failed